Van Donkersgoed, J., Gertonson, A., Bridges, M., Raths, D., Dargatz, D., Wagner, B., . . . Walton, T. E. (2004). Prevalence of antibodies to bluetongue virus and Anaplasma marginale in Montana yearling in Montana yearling cattle entering Alberta feedlots: Fall 2001. Canadian Veterinary Medical Association.

Van Donkersgoed, Joyce, Arnold Gertonson, Marc Bridges, Dick Raths, David Dargatz, Bruce Wagner, Alice Boughton, Doug Knoop, und Thomas E. Walton. Prevalence of Antibodies to Bluetongue Virus and Anaplasma Marginale in Montana Yearling in Montana Yearling Cattle Entering Alberta Feedlots: Fall 2001. Canadian Veterinary Medical Association, 2004.

Van Donkersgoed, Joyce, et al. Prevalence of Antibodies to Bluetongue Virus and Anaplasma Marginale in Montana Yearling in Montana Yearling Cattle Entering Alberta Feedlots: Fall 2001. Canadian Veterinary Medical Association, 2004.